bout this item Innovative Structural Design: Features 5 upgraded elastic PVC support brackets (vs. 4 in standard models) for enhanced stability, anti-rollover protection, and a safer sleeping environment for babies Multi-Functional Protection: Blocks AC drafts, harsh light, and insects with a 360° honeycomb mesh design; 10cm wider bottom fabric prevents mosquito entry, while the structure shields babies from cold air and retinal damage from bright light